首页|The effect of abiotic stresses on plant C:N:P homeostasis and their mitigation by silicon
The effect of abiotic stresses on plant C:N:P homeostasis and their mitigation by silicon
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In crop plants,various environmental stresses affect the balance of carbon,nitrogen,and phosphorus(C∶N∶P),leading to biochemical and physiological alterations and reductions in yield.Silicon(Si)is a ben-eficial element that alleviates plant stress.Most studies involving silicon have focused on physiological responses,such as improvements in photosynthetic processes,water use efficiency,and antioxidant defense systems.But recent research suggests that stressed plants facing either limited or excessive resources(water,light,nutrients,and toxic elements),strategically employ Si to maintain C∶N∶P home-ostasis,thereby minimizing biomass losses.Understanding the role of Si in mitigating the impact of abi-otic stresses on plants by regulating C∶N∶P homeostasis holds great potential for advancing sustainable agricultural practices in crop production.This review presents recent advances in characterizing the influence of environmental stresses on C∶N∶P homeostasis,as well as the role of Si in preserving C∶N∶P equilibrium and attenuating biological damage associated with abiotic stress.It underscores the benefi-cial effects of Si in sustaining C∶N∶P homeostasis and increasing yield via improved nutritional efficiency and stress mitigation.
Nutritional stoichiometryElemental stoichiometryBeneficial elementEnvironmental stressesNutritional efficiencyCarbon use efficiencyAgricultural sustainability
Milton Garcia Costa、Renato de Mello Prado、Luiz Fabiano Palaretti、Jonas Pereira de Souza Júnior
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Department of Agricultural Production Science,School of Agricultural and Veterinarian Sciences,São Paulo State University,Jaboticabal,Brazil
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